E.G.O. Elektro-Geraete Blanc Und Fischer Gmbh & Co. Kg
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Priority claimed from YU01483/85Aexternal-prioritypatent/YU148385A/en
Publication of SI8511483ApublicationCriticalpatent/SI8511483A/en
Publication of SI8511483BpublicationCriticalpatent/SI8511483B/en
1 PATENTNI ZAHTEVKI 1. Sevalni grelnik za kuhalne naprave z električnim svetlosevalnim grelnim elementom (20, 20a), ki deluje namembnostno pri zvišani temperaturi nad 1500 K, približno ustrezajoči 1200 °C, in z najmanj eno grelno cono (27) z namembnostno pri temperaturah pod 1500 K, ustrezajoče približno 1200 °C, delujočim temnosevalnim grelnim elementom (25), pri čemer se svetlo- in temnosevalni grelniki lahko vklopijo sočasno, označen s tem, da sta svetlosevalni grelni element (20, 20a) in temnosevalni grelni element (25) nameščena ob kuhalni ploskvi, ki je izvedena kot plošča (15) iz steklene keramike, in da je med delovanjem svetlosevalnega grelnega elementa (20, 20a) le-temu temnosevalni grelni element (25) vedno zaporedno predpriključen.1. A radiant heater for cooking appliances with an electric light-emitting heating element (20, 20a) operating at an elevated temperature above 1500 K, approximately corresponding to 1200 ° C, and with at least one heating zone (27) with a destination at temperatures below 1500 K, corresponding to approximately 1200 ° C, operating dark heating elements (25), the light and dark heating heaters being able to be switched on at the same time, characterized in that the light heating element (20, 20a) and the dark heating element (25 ) located next to the hob, which is made as a plate (15) of glass ceramic, and that during the operation of the light heating element (20, 20a), the dark heating element (25) is always connected in series.2. Sevalni grelnik po zahtevku 1, označen s tem, da svetlosevalni grelni element (20a) obstoji iz uporovnega gradiva na osnovi molibdenovega disilicida (MoSi2).Radiation heater according to Claim 1, characterized in that the radiant heating element (20a) consists of a molybdenum disilicide (MoSi2) -based resistive material.3. Sevalni grelnik po zahtevku 1 ali 2, označen s tem, da so predvidena stikalna sredstva (47), s katerimi se lahko temnosevalni grelni elementi (25) impulzno vklopijo, v danih pogojih z v taktu delujočo napravo (40) za krmiljenje moči.Radiation heater according to Claim 1 or 2, characterized in that switching means (47) are provided with which the dark radiating heating elements (25) can be switched on impulsively, under the given conditions, with a power control device (40) operating in time.4. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je predviden eden ali več temnosevalnih grelnih elementov (34, 35), ki je predpriključen svet-losevalnemu grelnemu elementu (20, 20a) v zaporedni vezavi, in so predvidena stikalna sredstva (37), s katerimi se lahko temnosevalni grelni elementi (34, 35) priklopijo vzporedno ali zaporedno drug k drugemu.Radiation heater according to one of the preceding claims, characterized in that one or more darkening heating elements (34, 35) are provided, which are pre-connected to the light-locking heating element (20, 20a) in series connection, and switching devices are provided. means (37) by which the dark heating elements (34, 35) can be connected in parallel or in series to each other.5. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, daje ali so temnosevalni grelni elementi (25) sami nameščeni v središčnem področju sevalnega grelnika (11), ki je obdan z obročastim področjem (28), v katerem se nahaja svetlosevalni grelni element (20, 20a), pri čemer so prednostno ravne svetlosevalne palice (20) nameščene v mnogokotni obliki okoli temnosevalnih grelnih con (27).Radiation heater according to one of the preceding claims, characterized in that the dark radiation heating elements (25) are themselves located in the central region of the radiant heater (11), which is surrounded by an annular region (28) in which the radiant heaters are located. element (20, 20a), the flat light bars (20) being preferably arranged in a polygonal shape around the dark heating zones (27).6. Sevalni grelnik po enem izmed zahtevkov 1 do 4, označen s tem, da je vsaj ena 1 grelna cona (27), ki je opremljena s temnosevalnim grelnim elementom (25) in je navzven krožno omejena, predvidena izven središčnega področja, ki ga obdaja svet-losevalni grelni element (20).Radiation heater according to one of Claims 1 to 4, characterized in that at least one heating zone (27), which is equipped with a dark radiation heating element (25) and is circularly bounded on the outside, is provided outside the central region surrounds the world-locking heating element (20).7. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da so med svet-losevalnimi grelnimi elementi, ki segajo premočrtno skozi prednostno približno krožno ogrevano področje (23) sevalnega grelnika (11) in sestojijo prednostno iz halogenskih žarnic, nameščene s temnosevalnimi grelnimi elementi (25) opremljene grelne cone (27), pri čemer so prednostno svetlosevalni grelni elementi (20) nameščeni v področju vrzeli (26) ali poglobitev med izolacijskimi nosilci (24), ki nosijo temnosevalne grelne elemente (25).Radiation heater according to one of the preceding claims, characterized in that between the light-locking heating elements extending in a straight line through the preferably approximately circularly heated region (23) of the radiant heater (11) and preferably consisting of halogen lamps heating elements (25) equipped with heating zones (27), preferably light-reflecting heating elements (20) are arranged in the area of the gap (26) or recess between the insulating beams (24) carrying the dark-heating elements (25).8. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da tem-nosevalni grelni element (25) poteka pod svetlosevalnim grelnim elementom (20).Radiation heater according to one of the preceding claims, characterized in that the heat-bearing heating element (25) runs under the light-emitting heating element (20).9. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je površina izolacijskega nosilca (24), na katerem je nameščen temnosevalni grelni element (25), poglobljena v področju, ki ga prekriva svetlosevalni grelni element (20), glede na preostalo površino izolacijskega nosilca (24).Radiation heater according to one of the preceding claims, characterized in that the surface of the insulating support (24) on which the darkening heating element (25) is mounted is recessed in the area covered by the light-radiating heating element (20), with respect to the remaining surface of the insulating support (24).10. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da so temnosevalni grelni elementi (25) pričvrščeni z delno vložitvijo na izolacijskih nosilcih (24) trakaste ali ploščaste oblike, ki so nameščeni med svetlosevalnimi grelnimi elementi (20) vzporedno k njim.Radiation heater according to one of the preceding claims, characterized in that the dark radiation heating elements (25) are fastened by partial insertion on insulating beams (24) of strip or flat shape, which are arranged between the light radiating heating elements (20) parallel to them. .11. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, daje paličasto temperaturno tipalo (18) temperaturnega omejilnika (17) nameščeno prednostno vzporedno svetlosevalnemu grelnemu elementu (20) poleg tega segajoč nad tem-nosevalno grelno cono (27).Radiation heater according to one of the preceding claims, characterized in that the rod temperature sensor (18) of the temperature limiter (17) is preferably arranged parallel to the light radiating heating element (20) further extending above the support heating zone (27).12. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je tempreaturno stikalo z ustrezno temperaturi pričetka kuhanja naravnano temperaturo in tako veliko stikalno zakasnitvijo, da po enkratnem izklopu med obratovanjem sevalnega grelnika (11) ne vklopi ponovno, vključeno pred svetlim sevalnikom (20, 20a).Radiation heater according to one of the preceding claims, characterized in that the temperature switch with the corresponding cooking start temperature is set to a temperature and such a switching delay that it does not switch on again after a single switch-off during operation of the radiant heater (11). (20, 20a).13. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je v taktu delujoča priprava (40) za krmiljenje moči opremljena z dodatnim stikalom (37), ki se lahko vključuje ročno preko nastavitvene gredi (42) priprave za krmiljenje moči in ki je prednostno vsebovano v predpriključenem stikalu in vključuje v zgornjem območju moči vsaj en svetli sevalnik (20a), posebno pri nastavitvi moči priprave (40) za krmiljenje moči s 100 % relativnim trajanjem vklopa.Radiation heater according to one of the preceding claims, characterized in that the clock-acting power control device (40) is equipped with an additional switch (37) which can be switched on manually via the adjusting shaft (42) of the power control device and which is preferably contained in a pre-connected switch and includes in the upper power range at least one light emitter (20a), in particular when setting the power of the power control device (40) with 100% relative switching duration.14. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je v srednjem in spodnjem področju moči zaporedna vezava svetlo- in temnosevalnih grelnih elementov (20, 25) v taktu oskrbovana z napetostjo s pripravo (40) za krmiljenje moči.Radiation heater according to one of the preceding claims, characterized in that in the middle and lower power range, the series connection of the light and dark radiation heating elements (20, 25) is supplied in voltage with the power control device (40).15. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je temperaturno tipalo (60) opremljeno z elementom (64) za prenos toplote v obliki pločevine, ki v robnem področju sevalnega grelnika (11) prekriva odsek vsaj enega temnosevalnega grelnega elementa (25) in je nameščen med tem in kuhalno ploskvijo (15) s kontaktom z njo ter da je temperaturno tipalo, izoblikovano prednostno kot tipalna doza (60), napolnjena z razteznostno tekočino, nameščeno izven sevalnega grelnika (11) v toplotnem kontaktu z elementom (64) za prenos toplote.Radiation heater according to one of the preceding claims, characterized in that the temperature sensor (60) is provided with a heat transfer element (64) in the form of a sheet which covers a section of at least one darkening heating element in the edge region of the radiant heater (11). (25) and is arranged between it and the cooking surface (15) in contact with it, and that the temperature sensor, preferably formed as a touch box (60), is filled with an expansion liquid placed outside the radiant heater (11) in thermal contact with the element (64) for heat transfer.16. Sevalni grelnik, posebno po enem od predhodnih zahtevkov, označen s tem, da ima v robnem področju sevalnega grelnika (11) zaslon (89, 92, 93, 114, 114a) pred sevanjem.Radiation heater, in particular according to one of the preceding claims, characterized in that it has a screen (89, 92, 93, 114, 114a) in front of the radiation in the edge region of the radiation heater (11).17. Sevalni grelnik po zahtevku 16, označen s tem, da zaslanja zaslon (89, 92, 93) pred sevanjem končne odseke svetlosevalnega grelnega elementa (20) proti področju kuhalne priprave (100), ki leži izven sevalnega grelnika (11).Radiation heater according to claim 16, characterized in that it shields the screen (89, 92, 93) before radiating the end sections of the radiant heating element (20) towards the area of the cooking device (100) which lies outside the radiant heater (11).18. Sevalni grelnik po zahtevku 16 ali 17, označen s tem, da je rob (22) izolacijskega telesa (24) sevalnega grelnika (11) prekrit z zaslonom pred sevanjem, izoblikovanim prednostno kot v glavnem obročasta izolacijska prekrivna zaslonka (114, 114a), ki je obrnjena proti kuhalni ploskvi (15), pri čemer sestoji posebno prekrivna zaslonka (114, 114a) iz izolacijskega gradiva z večjo čvrstostjo in v danih pogojih gostoto kot pod njo nameščeno izolacijsko telo (24), da je izdelana iz visokotemperaturno obstojne termične izolacijske mase, opremljene z mineralnimi vezivi in da štrli prednostno na svojem prednostno ostro omejenem notranjem obodu (81) preko ustreznega notranjega oboda (80) roba (22) izolacijskega telesa (24) in ima posebno v primerjavi s širino obroča relativno nizko višino. 4Radiation heater according to Claim 16 or 17, characterized in that the edge (22) of the insulating body (24) of the radiant heater (11) is covered by a radiation shield preferably formed as a substantially annular insulating cover (114, 114a). facing the hob (15), wherein the special cover (114, 114a) consists of an insulating material of higher strength and, under the given conditions, a density than the insulating body (24) placed below it, to be made of a high temperature resistant thermal insulating masses provided with mineral binders and projecting preferably on its preferably sharply limited inner circumference (81) over a corresponding inner circumference (80) of the edge (22) of the insulating body (24) and having a relatively low height, especially compared to the width of the ring. 419. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je najmanj en končni odsek svetlosevalnega grelnega elementa (20), ki leži v robni izvotlim, opremljen s plastjo (89), ki tvori zaslanjanje pred sevanjem ter absorbira in/ali reflek-tira svetlobo, pri čemer je v veliki meri s plastjo prekrita čelna ploskev (91) svetlega sevalnika.Radiation heater according to one of the preceding claims, characterized in that the at least one end section of the light-radiating heating element (20) lying in the edge cavity is provided with a layer (89) which forms a radiation shield and absorbs and / or reflects light, the front face (91) of the light emitter being largely covered by a layer.20. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je vsaj en končni odsek (90) svetlosevalnega grelnega elementa (20) obdan navzgor ter vsaj deloma stransko in v področju čelne ploskve (91) končnega odseka (90) s prekrivanjem (92), ki se priključuje na robno izvotlino (86, 87) in tvori zaslon pred sevanjem, pri čemer je prednostno prekrivanje (92) del termične izolacije (24,114,114a) sevalnega grelnika (11), pri čemer so lahko prednostno na prekrivni zaslonki (114a) predvideni vsaj deli prekrivanja (92) in lahko prekrivna zaslonka (114a) vsebuje vsaj del robne izvotline (86b), pri čemer ima prekrivanje (92), ki prednostno pokriva proti kuhalni ploskvi (15) obrnjen in v danih pogojih tudi del končnega odseka (90) svetlosevalnega grelnega elementa (20), obtočni rob (93) in je v smeri navzdol odprto.Radiation heater according to one of the preceding claims, characterized in that at least one end section (90) of the light radiating heating element (20) is surrounded upwards and at least partially laterally and in the area of the front surface (91) of the end section (90) by overlapping (92) connecting to the edge cavity (86, 87) and forming a radiation shield, the preferred overlap (92) being part of the thermal insulation (24,114,114a) of the radiant heater (11), which may preferably be on the overlap (114a) at least portions of the overlap (92) are provided, and the overlap (114a) may comprise at least a portion of the edge cavity (86b), the overlap (92) preferably covering the hob (15) facing and, given the conditions of the end section (90) of the light radiating heating element (20), the circulation edge (93) and is open in a downward direction.21. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da je robna iz-votlina (86, 87) predvidena v robu (22) izolacijskega telesa (24) in je prednostno v smeri navzgor odprta.Radiation heater according to one of the preceding claims, characterized in that the edge cavity (86, 87) is provided in the edge (22) of the insulating body (24) and is preferably open upwards.22. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da prekrivanje (92) vsaj delno z razmikom obdaja v njej nameščen odsek (84) svetlosevalnega grelnega elementa.Radiation heater according to one of the preceding claims, characterized in that the overlap (92) surrounds at least in part at a distance the section (84) of the light-radiating heating element arranged therein.23. Sevalni grelnik po enem od predhodnih zahtevkov, označen s tem, da sega v preseku zmanjšujoč se, posebno sploščen odsek (84) na koncu svetlosevalnega grelnega elementa (20) skozi ustrezno izoblikovano režasto zunanjo odprtino (87) robne izvotline (86).Radiation heater according to one of the preceding claims, characterized in that a decreasing, particularly flattened section (84) at the end of the light-emitting heating element (20) extends in cross-section through a suitably shaped slotted outer opening (87) of the edge cavity (86).u.Fischer:u.Fischer:
SI8511483A1984-09-221985-09-19Radiant heater for cooking devices
SI8511483B
(en)
Electric cooker plate has flat coating of electrical heating resistance material with binding material containing electrical resistance element of conducting carbon in contact with underside